This is a SWISS DREICER & CO. PLATINUM 19 JEWELS POCKET WATCH. Dial reads: DREICER & CO. Movement reads: ADJUSTED 7/ NINETEEN JEWELS/ 62846/ HAAS NEVEUX & CO./ SWISS. Interior of the case is marked: IBE logo/ PLATINUM ( hand marked)/ 217808. The Case has been tested and is guaranteed PLATINUM. Circa 1920 this Pocket Watch has Blue Enameled inititals on the back: CM...